Vi-Q4/C3
User Manual
Viq602c
4
Command Protocol
Both front and rear RS485 ports are capable of accepting and replying to commands. Replies are only sent
to the port receiving the command.
Character format: 9600 baud, 1 start, 2 stop, no parity
Message format:
Start of
message
Source
address
Dest
Address
Extended
Data
Command
Parameter
End of Message
[
SS
DD
XX..XX
CC
PP
]
where
[
start of message (5B)
SS
source address
DD
Vi-Q4/C3 address (0,1,2,3 etc or FF= broadcast)
XX.XX Extended data, 0 to 128 bytes depending on command
CC
Command
PP
Parameter
]
end of message (5D)
Note that, except for start and end characters, all message content comprises pairs of hex-ascii characters.
Videoswitch Ltd
15/26
07/09/15
